/*
 * Copyright (C) 2009 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.apis.app;

import com.example.android.apis.R;

import android.app.ListActivity;
import android.content.Context;
import android.database.CharArrayBuffer;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.ContactsContract.Contacts;
import android.view.View;
import android.view.ViewGroup;
import android.widget.QuickContactBadge;
import android.widget.ResourceCursorAdapter;
import android.widget.TextView;

public class QuickContactsDemo extends ListActivity {
	static final String[] CONTACTS_SUMMARY_PROJECTION = new String[] {
			Contacts._ID, // 0
			Contacts.DISPLAY_NAME, // 1
			Contacts.STARRED, // 2
			Contacts.TIMES_CONTACTED, // 3
			Contacts.CONTACT_PRESENCE, // 4
			Contacts.PHOTO_ID, // 5
			Contacts.LOOKUP_KEY, // 6
			Contacts.HAS_PHONE_NUMBER, // 7
	};

	static final int SUMMARY_ID_COLUMN_INDEX = 0;
	static final int SUMMARY_NAME_COLUMN_INDEX = 1;
	static final int SUMMARY_STARRED_COLUMN_INDEX = 2;
	static final int SUMMARY_TIMES_CONTACTED_COLUMN_INDEX = 3;
	static final int SUMMARY_PRESENCE_STATUS_COLUMN_INDEX = 4;
	static final int SUMMARY_PHOTO_ID_COLUMN_INDEX = 5;
	static final int SUMMARY_LOOKUP_KEY = 6;
	static final int SUMMARY_HAS_PHONE_COLUMN_INDEX = 7;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		String select = "((" + Contacts.DISPLAY_NAME + " NOTNULL) AND ("
				+ Contacts.HAS_PHONE_NUMBER + "=1) AND ("
				+ Contacts.DISPLAY_NAME + " != '' ))";
		Cursor c = getContentResolver().query(Contacts.CONTENT_URI,
				CONTACTS_SUMMARY_PROJECTION, select, null,
				Contacts.DISPLAY_NAME + " COLLATE LOCALIZED ASC");
		startManagingCursor(c);
		ContactListItemAdapter adapter = new ContactListItemAdapter(this,
				R.layout.quick_contacts, c);
		setListAdapter(adapter);

	}

	private final class ContactListItemAdapter extends ResourceCursorAdapter {
		public ContactListItemAdapter(Context context, int layout, Cursor c) {
			super(context, layout, c);
		}

		@Override
		public void bindView(View view, Context context, Cursor cursor) {
			final ContactListItemCache cache = (ContactListItemCache) view
					.getTag();
			// Set the name
			cursor.copyStringToBuffer(SUMMARY_NAME_COLUMN_INDEX,
					cache.nameBuffer);
			int size = cache.nameBuffer.sizeCopied;
			cache.nameView.setText(cache.nameBuffer.data, 0, size);
			final long contactId = cursor.getLong(SUMMARY_ID_COLUMN_INDEX);
			final String lookupKey = cursor.getString(SUMMARY_LOOKUP_KEY);
			cache.photoView.assignContactUri(Contacts.getLookupUri(contactId,
					lookupKey));
		}

		@Override
		public View newView(Context context, Cursor cursor, ViewGroup parent) {
			View view = super.newView(context, cursor, parent);
			ContactListItemCache cache = new ContactListItemCache();
			cache.nameView = (TextView) view.findViewById(R.id.name);
			cache.photoView = (QuickContactBadge) view.findViewById(R.id.badge);
			view.setTag(cache);

			return view;
		}
	}

	final static class ContactListItemCache {
		public TextView nameView;
		public QuickContactBadge photoView;
		public CharArrayBuffer nameBuffer = new CharArrayBuffer(128);
	}
}
